/// <summary>
/// Sign document hash.
/// </summary>
/// <param name="documentBytes">Document bytes</param>
/// <param name="level">The document hash node level value in the aggregation tree</param>
/// <returns></returns>
public IKsiSignature Sign(byte[] documentBytes, uint level = 0)
{
if (documentBytes == null)
{
throw new ArgumentNullException(nameof(documentBytes));
}
IDataHasher dataHasher = KsiProvider.CreateDataHasher();
dataHasher.AddData(documentBytes);
return(_ksiService.Sign(dataHasher.GetHash(), level));
}
/// <summary>
/// Sign document hash.
/// </summary>
/// <param name="stream">Stream containing document bytes</param>
/// <param name="level">The document hash node level value in the aggregation tree</param>
/// <returns></returns>
public IKsiSignature Sign(Stream stream, uint level = 0)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
IDataHasher dataHasher = KsiProvider.CreateDataHasher();
dataHasher.AddData(stream);
return(_ksiService.Sign(dataHasher.GetHash(), level));
}